If you are in need of replacement Dash or Instrument Cluster Bulbs, these are some of the numbers that will fit and work correctly:

Dash or instrument cluster bulbs:

Mopar OEM: 4839738AA
Dorman pt. no.: 639-006
GM pt. no.: 22695949
Bulb/base type: B8.4D ( for LED's)

The above numbers also fit: Jeep, Dodge, Chrysler, GM Saturn, Mercedes, among others...

Note: B8.5D LED's can be made to work, but requires a slight modification to the base to make it fit.

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Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount
98 Dodge Cummins 24 Valve

This literally just happened to me yesterday. One of the backlights for the Tach is out. Thanks!

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2006 CRD - GTB2056 turbo by Dieselguy86, Eco Trans Tune, Lift Pump, Week's, HDS Tstat, Racor Filter, ARP's, OME 790's+Top Plate, JBA 2.5", JBA UCA, Moab's+265/75R16, ARB Bull Bar, 4.10's, TrueTracs